/Engine/Plugins/Editor/ContentBrowser/ContentBrowserClassDataSource/Source/ContentBrowserClassDataSource/Public/ContentBrowserClassDataSource.h
CompileFilter.
virtual void EnumerateItemsMatchingFilter ( const [FContentBrowserDataCompiledFilter](API\Editor\ContentBrowserData\FContentBrowserDataCompiledFilte-) & InFilter, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool([FContentBrowserItemData](API\Editor\ContentBrowserData\FContentBrowserItemData) &&)> InCallback )